3F2L
Crystal structure analysis of the K171A mutation of N-terminal type II cohesin 1 from the cellulosomal ScaB subunit of Acetivibrio cellulolyticus
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1QZN | PDB ENTRY 1qzn |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | MICROBATCH | 8.5 | 293 | 2.4M di-ammonium hydrogen phosphate, 0.1M Tris pH 8.5, Microbatch, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.52 | 51.21 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 53.934 | α = 90 |
b = 53.934 | β = 90 |
c = 112.318 | γ = 120 |
Symmetry | |
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Space Group | P 31 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 110 | IMAGE PLATE | RIGAKU RAXIS IV++ | Osmic Confocal Mirrors | 2006-05-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU MICROMAX-007 | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | |||||||
1 | 1.85 | 50 | 100 | 0.097 | 0.097 | 11.4 | 5.7 | 16830 | 16830 | -3 | 27.53 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1.85 | 1.85 | 100 | 0.49 | 0.49 | 1.7 | 5.7 | 16830 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | FOURIER SYNTHESIS | THROUGHOUT | PDB ENTRY 1qzn | 1.85 | 29.21 | 15926 | 15926 | 851 | 99.94 | 0.14245 | 0.14245 | 0.13895 | 0.21218 | RANDOM | 28.048 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-0.16 | -0.08 | -0.16 | 0.25 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 41.188 |
r_dihedral_angle_3_deg | 10.717 |
r_dihedral_angle_4_deg | 9.305 |
r_sphericity_free | 8.409 |
r_scangle_it | 7.644 |
r_dihedral_angle_1_deg | 6.227 |
r_scbond_it | 5.976 |
r_sphericity_bonded | 5.45 |
r_mcangle_it | 4.432 |
r_rigid_bond_restr | 3.504 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1341 |
Nucleic Acid Atoms | |
Solvent Atoms | 240 |
Heterogen Atoms | 60 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |